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V4L/DVB (5260): Cx88-blackbird: allow usage of both 376836 and 262144 sized firmware images

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This updates the cx88-blackbird driver to be able to use the new cx23416
firmware image released by Hauppauge Computer Works, while retaining
compatibility with the older firmware images.
cx2341x firmware can be downloaded at: http://dl.ivtvdriver.org/ivtv/firmware/

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Michael Krufky 2007-03-03 10:10:43 -02:00 committed by Mauro Carvalho Chehab
parent 48dc30a148
commit af70dbd334
2 changed files with 10 additions and 5 deletions
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14
drivers/media/video/cx88/cx88-blackbird.c
View File

@ -56,7 +56,8 @@ MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
/* ------------------------------------------------------------------ */
#define BLACKBIRD_FIRM_IMAGE_SIZE 256*1024
#define OLD_BLACKBIRD_FIRM_IMAGE_SIZE 262144
#define BLACKBIRD_FIRM_IMAGE_SIZE 376836
/* defines below are from ivtv-driver.h */
@ -404,7 +405,7 @@ static int blackbird_find_mailbox(struct cx8802_dev *dev)
u32 value;
int i;
for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
for (i = 0; i < dev->fw_size; i++) {
memory_read(dev->core, i, &value);
if (value == signature[signaturecnt])
signaturecnt++;
@ -452,12 +453,15 @@ static int blackbird_load_firmware(struct cx8802_dev *dev)
return -1;
}
if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
if ((firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) &&
(firmware->size != OLD_BLACKBIRD_FIRM_IMAGE_SIZE)) {
dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d or %d)\n",
firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE,
OLD_BLACKBIRD_FIRM_IMAGE_SIZE);
release_firmware(firmware);
return -1;
}
dev->fw_size = firmware->size;
if (0 != memcmp(firmware->data, magic, 8)) {
dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");

1
drivers/media/video/cx88/cx88.h
View File

@ -463,6 +463,7 @@ struct cx8802_dev {
u32 mailbox;
int width;
int height;
int fw_size;
#if defined(CONFIG_VIDEO_BUF_DVB) || defined(CONFIG_VIDEO_BUF_DVB_MODULE)
/* for dvb only */